Hey I know this is super old post but what would the reverse look like, eg.
recursively convert Clojure to java map
On Saturday, October 15, 2011 at 4:10:32 AM UTC-5, Baishampayan Ghose wrote:
>
> > I have a Java Map contains Map of Maps/List (JSON like map) and have
> > to convert to Clojure map (This happens at Java - Clojure Interop), So
> > I have written a converter function 'as-clj-map' by modifying the
> > clojure walk functions, It works fine, but consume lot of cpu when the
> > data structure is quit big. Any suggestions to improve this code?
>
> What about using protocols for this job?
>
> (defprotocol ConvertibleToClojure
> (->clj [o]))
>
> (extend-protocol ConvertibleToClojure
> java.util.Map
> (->clj [o] (let [entries (.entrySet o)]
> (reduce (fn [m [^String k v]]
> (assoc m (keyword k) (->clj v)))
> {} entries)))
>
> java.util.List
> (->clj [o] (vec (map ->clj o)))
>
> java.lang.Object
> (->clj [o] o)
>
> nil
> (->clj [_] nil))
>
> (defn as-clj-map
> [m]
> (->clj m))
>
>
> Let me know if this works for you & meets your performance requirements.
>
> Regards,
> BG
>
> --
> Baishampayan Ghose
> b.ghose at gmail.com
>
>
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